From ba3d2e981bf69b13f7024eee7914e719a96cc620 Mon Sep 17 00:00:00 2001
From: Weihang Lo <me@weihanglo.tw>
Date: Thu, 22 Sep 2022 21:40:27 +0100
Subject: [PATCH] ci: update toolchain for building api doc

---
 .github/workflows/contrib.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/contrib.yml b/.github/workflows/contrib.yml
index 83648780d..5eebc87f6 100644
--- a/.github/workflows/contrib.yml
+++ b/.github/workflows/contrib.yml
@@ -21,6 +21,8 @@ jobs:
         mkdir mdbook
         curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.9/mdbook-v0.4.9-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
+    - name: Update toolchain
+      run: rustup update --no-self-update stable && rustup default stable
     - name: Build API doc
       run: |
           cargo doc --document-private-items --no-deps